package com.explore.demo.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.net.UnknownHostException;

/**
 * redis 的配置类
 *
 * @author gaolainan
 */
@Configuration
public class RedisConfig extends CachingConfigurerSupport
{
    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) throws UnknownHostException {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(redisConnectionFactory);

        // Json序列化配置
        Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<>(Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        // om.enableDefaultTyping()从2.10过时，activateDefaultTyping代替
        /// om.activateDefaultTyping(BasicPolymorphicTypeValidator.builder().build(), ObjectMapper.DefaultTyping.NON_FINAL);

        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);

        // String的序列化
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        // key采用String的序列化方式
        template.setKeySerializer(stringRedisSerializer);
        // value采用Jackson序列化方式
        template.setValueSerializer(jackson2JsonRedisSerializer);
        // hash类型存值map中的key也采用String的序列化方式，map中的value采用Jackson
        template.setHashKeySerializer(stringRedisSerializer);
        template.setHashValueSerializer(jackson2JsonRedisSerializer);
        // 初始化redisTemplate
        template.afterPropertiesSet();

        return template;
    }
}
